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Finding the Fourth Proportional to 35,601.53, 49,131.07 and 19,686.53

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Solution

The fourth proportional to 35,601.53, 49,131.07 and 19,686.53 is: 27,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,601.53 : 49,131.07 = 19,686.53 : x
  2. Step 2: Convert to fraction form
    35,601.53/49,131.07 = 19,686.53/x
  3. Step 3: Cross multiply
    35,601.53x = 49,131.07 × 19,686.53
  4. Step 4: Simplify right side
    35,601.53x = 967,220,357.10
  5. Step 5: Solve for x
    x = 967,220,357.10/35,601.53
  6. Step 6: Final answer
    x = 27,167.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.